Top 10 firm RSM has appointed David Gwilliam as its new chief executive officer in the UK.

Current CEO Laurence Longe, who held the position for 22 years, will transition into the role of chairman of RSM UK. Both appointments become effective 1 April.

Gwilliam commented: “I am absolutely delighted to be appointed as CEO. This is a hugely exciting period for the continued development of the firm. We have great people and great clients. Our breadth of service and sector line capabilities are among the most diverse in the UK.”

“I am very much looking forward to leading the firm in our continued commitment to deliver high quality business services and solutions as the first-choice adviser to middle market leaders, globally.”

Longe said: “I am extremely pleased that David will be the firm’s next CEO. The firm’s entire leadership team has worked closely with David over many years, most recently in his role as chief operating officer since 2014, and we are therefore confident that David will lead the firm with commitment and energy. He is a man of integrity and vision, dedicated to the interests of our people and our clients.”